>>966284
Everybody thinks they can do better than the source material and end up just removing/changing things for its own sake.
Producers and executives think they're filmmakers and insist on creative input, even though they're underqualified, and directors and scriptwriters with no familiarity or empathy with the IP decide they know better than the authors.
Middle management everywhere, and this is not unique to the visual arts by any means, like to make a lot of random decisions really fast when they panic, to make it look like they actually do something besides pass on messages from above and soak up a hefty paycheque.
Assholes should realise that if a property is being adapted then surely there is something of value in its original form, something worth preserving, something that can be brought over across mediums.
Compare Albert Pyun's Captain America, where the director had never heard of the character, and read exactly one page of one comic as research before deciding he knew everything he needed to know, with the first X-Men film, where the director went undercover on X-Men fan forums and found out what everybody loved about each character.